| 'use strict'; | |
| 
 | |
| var toStr = Object.prototype.toString; | |
| 
 | |
| module.exports = function isArguments(value) { | |
| 	var str = toStr.call(value); | |
| 	var isArgs = str === '[object Arguments]'; | |
| 	if (!isArgs) { | |
| 		isArgs = str !== '[object Array]' && | |
| 			value !== null && | |
| 			typeof value === 'object' && | |
| 			typeof value.length === 'number' && | |
| 			value.length >= 0 && | |
| 			toStr.call(value.callee) === '[object Function]'; | |
| 	} | |
| 	return isArgs; | |
| };
 |